LCD Screen
Battery Level Indicator: The indicator will repeatedly fill while charging. If the product is at 0% charge, the indicator will flash to warn you.
WI-FI Status:
The devices that support Bluetooth connection will be connected to the App directly or to the Internet after the network connection process is completed.If it is successfully connected to the Internet, the icon will stay on.
See Section 5 for more troubleshooting steps.
General Product Usage
Product On, Product Off, LCD Screen On
Short press the Main Power Button to turn on the product; the LCD Screen will light up and the battery level indicator icon will display.
The product enters sleep mode after 5 minutes of idle operation; the LCD Screen will automatically turn off. When the product senses any load change or operations, the LCD Screen will automatically light up. To turn the LCD Screen on or off, please short press the Main Power Button.
To power off the product, press and hold the Main Power Button
The default product standby time is 2 hours. With other Power, Buttons turned off and no other load access for 2 hours, the product will automatically shut down. The standby time can be set on the App.
https://manuals.plus/ecoflow/delta-2-portable-power-station-manual#ixzz7qM4nuW12